77828353 has 8 divisors (see below), whose sum is σ = 80898048. Its totient is φ = 74809584.

The previous prime is 77828347. The next prime is 77828369. The reversal of 77828353 is 35382877.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77828353 - 2¹⁷ = 77697281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77828053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9601 + ... + 15742.

It is an arithmetic number, because the mean of its divisors is an integer number (10112256).

Almost surely, 2^77828353 is an apocalyptic number.

It is an amenable number.

77828353 is a deficient number, since it is larger than the sum of its proper divisors (3069695).

77828353 is a wasteful number, since it uses less digits than its factorization.

77828353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25463.

The product of its digits is 282240, while the sum is 43.

The square root of 77828353 is about 8822.0379164907. The cubic root of 77828353 is about 426.9522238667.

The spelling of 77828353 in words is "seventy-seven million, eight hundred twenty-eight thousand, three hundred fifty-three".